<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="wrap" style="font-size: 30px;line-height: 100%">
        <div id="inner" style="font-size: 20px;line-height: 1">
            行高
        </div>
    </div>
</body>
</html>
